1-4 (E)
DSM-T1
1-6. Internal Switches and Indicators
1-6. Internal Switches and Indicators
ENC-42 board
(A side/Component side)
m
.
The addresses on the board are shown by ( ) marks.
.
For the switches described “Factory use”, do not change
the factory settings.
[Switch]
S300 (G-5) : Factory use
n
Factory setting : S300-1 to 3 : OFF
S300-4
: ON
(
■
indicates the switch lever position.)
S301 (F-5) : Factory use
n
Factory setting : All switch levers are set to OFF.
(
■
indicates the switch lever position.)
S1050 (A-11) : Reset switch
n
Do not press this switch under normal conditions.
S1051 (C-5) : Factory use
n
Factory setting : All switch levers are set to OFF.
(
■
indicates the switch lever position.)
1 2
3 4
ON
1 2
3 4
ON
ON
1 2
3 4 5
6
7
8
[Indicator]
D300 (G-6) (red) : Factory use
This indicator stays out under normal conditions.
D301 (G-6) (red) : Factory use
This indicator stays out under normal conditions.
D601 (P-9) (red) : PLL Lock indicator
Lights off when the PLL at 4 FSC (14.3 MHz) of the
internal clock locks with the selected reference signal.
(at 525 system)
D602 (P-10) (red) : PLL Lock indicator
Lights off when the PLL at 4 FSC (17.73 MHz) of the
internal clock locks with the selected reference signal.
(at 625 system)
D751 (N-6) (green) : PLL Lock indicator
Lights up when the PLL at 24.576 MHz of the internal
clock locks with the selected reference signal.
D754 (U-8) (red) : PLL Lock indicator
Lights off when the PLL at 27 MHz of the internal clock
locks with the selected reference signal.
D900 (E-6) (red) : PLL Lock indicator
Lights off when the PLL of the internal transmission
clock locks with the internal 27 MHz clock.
D901 (F-6) (red) : PLL Lock indicator
Lights off when the PLL of the internal information
clock locks with the internal 27 MHz clock.
D1051 (B-4) (green) : CPU Run indicator
Blinks during the CPU of the IC1052 (C-3) on the ENC-
42 board runs.
A
B
C
D
E
F
G
H
J
L
M
N
P
R
S
T
U
K
1
2
3
4
5
6
7
8
9
10
11
S301
S300
D301
D300
D1051
S1051
D900
D901
S1050
D751
D601
D602
D754
